196994997

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 319999680

約数和(自身を除く): 123004683

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 243, 387, 459, 731, 1109, 1161, 1377, 2193, 3327, 3483, 4131, 6579, 9981, 10449, 18853, 19737, 29943, 47687, 56559, 59211, 89829, 143061, 169677, 177633, 269487, 429183, 509031, 810679, 1287549, 1527093, 2432037, 3862647, 4581279, 7296111, 11587941, 21888333, 65664999, 196994997]

約数ペア:

[(1, 196994997), (3, 65664999), (9, 21888333), (17, 11587941), (27, 7296111), (43, 4581279), (51, 3862647), (81, 2432037), (129, 1527093), (153, 1287549), (243, 810679), (387, 509031), (459, 429183), (731, 269487), (1109, 177633), (1161, 169677), (1377, 143061), (2193, 89829), (3327, 59211), (3483, 56559), (4131, 47687), (6579, 29943), (9981, 19737), (10449, 18853)]